Neal Barnard, M.D., is Adjunct Associate Professor of Medicine at the George Washington University School of Medicine in Washington, D.C., who guides numerous clinical trials investigating the effects of diet on body weight, chronic pain, and diabetes. Barnards most recent study of dietary interventions in type 2 diabetes was funded by the National Institutes of Health. He has authored dozens of scientific publications, 15 books for lay readers, and has hosted three PBS television programs on nutrition and health, ranging from weight loss to Alzheimers prevention. As President and Founder of the nonprofit Physicians Committee for Responsible Medicine, Barnard has been instrumental in efforts to reform federal dietary guidelines. He also leads programs advocating for preventive medicine, good nutrition, and higher ethical standards in research.